Fujian zhichuan mechanical equipment Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10pc/days |
| Delivery Time | 3work days |
| Packaging Details | Wooden box packing |
| Port Size | 6 |
| Max Pressure | 100 psi |
| Mounting Type | Threaded |
| Control Signal | 15mA |
| Material | Stainless Steel |
| Certifications | CE, RoHS |
| Voltage | 24V DC |
| Temperature Of Media | Medium Temperature |
| Brand Name | Parker |
| Model Number | D31FHE02C1NB0047 |
| Place of Origin | Germany |
| Certification | cc |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10pc/days |
| Delivery Time | 3work days | Packaging Details | Wooden box packing |
| Port Size | 6 | Max Pressure | 100 psi |
| Mounting Type | Threaded | Control Signal | 15mA |
| Material | Stainless Steel | Certifications | CE, RoHS |
| Voltage | 24V DC | Temperature Of Media | Medium Temperature |
| Brand Name | Parker | Model Number | D31FHE02C1NB0047 |
| Place of Origin | Germany | Certification | cc |
| High Light | Threaded parker hydraulic proportional valve ，D31FHE parker hydraulic proportional valve ，Parker water proportional control valve | ||
Product Description
Proportional valve is proportional control, his controller is actually an amplifier, mainly used to strengthen the adjustment of the system, the greater the gain K, the stronger the adjustment effect, the better the rapid response of the system, but the K value is too large will also lead to system instability. Proportional control has steady-state error, increasing K can reduce the steady-state error, but can not eliminate. Proportional control is not suitable for systems with large interference and inertia.
Proportional control valve refers to the electric valve that integrates the two calculations of proportion and integration in the process of execution.
The farther the calculated value is from the set value, the faster the stepper motor operates, which is basically a decayed sinusoidal waveform.
The electric valve of the proportional control valve has an actuator in addition to the valve body, and because of the installation, the equipment is generally in and out, so it is installed in the return water.
Product Feature
Electro-hydraulic proportional control valve has many advantages such as simple structure, high control precision, flexible installation and use, and strong anti-pollution ability. At present, proportional pressure valves are widely used in vehicles, such as one or several proportional pressure valves in the assembly of electronically controlled automatic transmission (ECT), electronic auxiliary hydraulic steering system (EPS) and brake anti-lock system (ABs) to achieve smooth and accurate control of pressure. The following takes a typical ECT proportional relief valve as an example to analyze the working principle of the proportional pressure valve. The dynamic mathematical model of the relief valve can be established according to the valve port flow formula, the valve core force balance formula and the flow continuity formula. The relief valve is set to be connected with a constant current source, that is, q, set to a fixed value (25U and n), and the change function of the given current. By using InaUab to write M function for numerical simulation of the model, the relationship between pressure and current 1 can be obtained, as shown in Figure 2. By using these numerical solutions to fit the minor squares curve, the function f(i) where the pressure varies with the current 1 can be obtained.
| Response Time | 0.5 seconds |
| Operating Temperature | 0-80°C |
| Pressure | Medium Pressure |
| Flow Rate | 0-10 GPM |
| Media | Oil |
| Type | Proportional |
| Accuracy | ±2% |
| Temperature Of Media | Medium Temperature |
| Voltage | 24V DC |
FAQ
Q1: Wonder if you accept small orders?
A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.
Q2: Can you send products to my country?
A2: Sure, we can. If you do not have your own ship forwarder, we can help you.
Q3: What's your payment terms ?
A3: By T/T,LC AT SIGHT,100% full payment.
Q4: How long is your production lead time?
A4:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.
Q5: When can I get the quotation ?
A5: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.
Company Details
Business Type:
Manufacturer,Agent
Year Established:
2011
Total Annual:
1000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Fujian Zhichuan Mechanical Equipment Co., Ltd. is a company specializing in the import of electronic hydraulic products trade and sales.Our aim is to provide our customers with high quality imported machinery products andexcellent after-sales service. Our main business covers the fields of construct... Fujian Zhichuan Mechanical Equipment Co., Ltd. is a company specializing in the import of electronic hydraulic products trade and sales.Our aim is to provide our customers with high quality imported machinery products andexcellent after-sales service. Our main business covers the fields of construct...
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